<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录</title>

    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
</head>
<body>
    <div class="nav">
        五子棋对战
    </div>
    <div class="login-container">
        <div class="login-dialog">
            <!-- 标题 -->
            <h3>登录</h3>
            <!-- 输入用户名 -->
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username">
            </div>
            <!-- 输入密码 -->
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <!-- 提交按钮 -->
            <div class="row">
                <button id="submit">提交</button> 
            </div>
        </div>  
    </div>

    <script src="./js/jquery.min.js"></script>
    <script>
        let usernameInput=document.querySelector("#username");
        let passwordInput=document.querySelector("#password");
        let submitButton=document.querySelector("#submit");
        submitButton.onclick=function(){
            $.ajax({
                type: 'post',
                url: '/login',
                data:{
                    username:usernameInput.value,
                    password:passwordInput.value,
                },
                success:function(body){
                    //请求执行成功的回调函数
                    //判定当前是否登录成功
                    //如果登录成功，服务器会返回当前的user对象
                    //如果登录失败，服务器则会返回一个空的user对象
                    if(body && body.userId>0){
                        //登录成功
                        alert("登录成功");
                        //重定向跳转到游戏大厅页面
                        location.assign('/game_hall.html');
                    }else{
                        alert("登录失败！");
                    }
                },
                error:function(){
                    //请求执行失败的回调函数
                    alert("登录失败！");
                }
            });
        }
    </script>
</body>
</html>